501450000 has 120 divisors (see below), whose sum is σ = 1619646336. Its totient is φ = 133680000.

The previous prime is 501449987. The next prime is 501450007. The reversal of 501450000 is 54105.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (501450007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148329 + ... + 151671.

Almost surely, 2^501450000 is an apocalyptic number.

501450000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809823168).

501450000 is an abundant number, since it is smaller than the sum of its proper divisors (1118196336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501450000 is an equidigital number, since it uses as much as digits as its factorization.

501450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 501450000 is about 22393.0792880300. The cubic root of 501450000 is about 794.4670293494.

The spelling of 501450000 in words is "five hundred one million, four hundred fifty thousand".